Klaus Mehltreter0052-28-421800 ext. 3501klaus@ecologia.edu.mx Klaus Mehltreter0052-28-421800 ext. 3501klaus@ecologia.edu.mx Harald Schneider510/643/0633hschneider@fmnh.org R. Cranfill510-642-3506blechnum@ucmp1.berkeley.edu W. Carl Taylor414 278 2760ct@mpm.edu